marcus, how do you maintain some versatility with the type of music you do? >> well, it helps that we love all of these different genres that we sing and just performing music that we love makes a big difference. we pick every song on the album and pick every song on the show because we love great music with great melodies and a positive inspiration and portray to the crowds and listeners. >> mike: the biggest thrill ever is say peering on this show and i know you feel that way. >> having you play with us. [applause] >> and that's what usually happens, it's downhill from here. but we want to play a song that's going to be on your next album and really is kind of interesting, the texas tenors doing a tennessee song with a guy from arkansas. we're trying to cover all the bases, but i think that people are going to love this and it's a little song called rocky top. ♪ 1, 2, 3, 4. ♪ i wish that i was on ole rocky top down in the tennessee hill ♪ ♪ there ain't no smoke, no smog on rocky top, ain't no telephone bill ♪ ♪ and once i had a girl on rocky top